Rare, 1938 early printing, first edition published by Harper & Brothers of New York and London. Printed in the U.S. 199 numbered pages. Dark blue boards with Title and author in silver on front cover; title, author and publisher on spine in silver. Some wear on corners and spine. Split end paper at title page but intact. No dust jacket. Has unmarked library style lender card. A few dog-eared, but flat pages. Clean unmarked pages. The book is a general introduction to “Scientific Christianity in the Form of a Spiritual Key to Matthew V, VI and VIl.” Fox states the objective of the book is to provide a practical manual of spiritual development.